MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://jottigo.ru/123?utm_term=5th+grade+math+problems+pdf PDF link annotation
- https://cdn.sqhk.co/gajeneset/thddjdE/79790090542.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368492/normal_5fde90774cc60.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452161/normal_602c85d292151.pdfIn PDF document text
- https://tipureroxagojox.weebly.com/uploads/1/3/6/0/136096040/3901568.pdfIn PDF document text
- https://cdn.sqhk.co/nilesatu/Q5Kjj8b/47255755614.pdfIn PDF document text
- https://lusogovo.weebly.com/uploads/1/3/4/3/134358567/gefobalotaxumopo.pdfIn PDF document text
- https://nevipezuke.weebly.com/uploads/1/3/4/6/134652321/9483154.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453730/normal_5fd2b0616c7fd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487903/normal_5fe47e03a8dd4.pdfIn PDF document text
- https://muverope.weebly.com/uploads/1/3/0/7/130776407/1219717.pdfIn PDF document text
- https://tewuzafigew.weebly.com/uploads/1/3/4/3/134339743/8468240.pdfIn PDF document text
- https://cdn.sqhk.co/kuwusemob/Cnjdbf2/international_marketing_notes.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475219/normal_600295ada3ba8.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/2aafd67e-3d9d-4248-9e2a-4fa165562758/nj_residential_lease_renewal_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5612d502-86ba-4f24-b70b-5a1ef8325041/kisotawopigu.pdfIn PDF document text
- https://s3.amazonaws.com/ninasivol/material_science_graduate_school_ranking.pdfIn PDF document text
- https://s3.amazonaws.com/sefipa/59882547659.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/078758c7-3b41-4006-9ff8-5543456fd7d2/childrens_bible_lesson_blind_bartimaeus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13135d3b-ac71-460a-8c34-3bd77b9fe775/35321470113.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c66a9d9-8ef7-4b0a-99af-7f666abecd1e/where_can_i_take_my_electric_scooter_to_get_fixed.pdfIn PDF document text
- https://s3.amazonaws.com/sazariwapa/baby_girl_christmas_dress_target.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0af00651-a96a-48e9-a148-1c96bc9d3899/why_is_there_no_seal_team_6.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cec63cd9-7fea-46cc-9226-370f4268d572/niwekojekexax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d4ce1448-79fa-4317-bc16-679e42c151ba/zurirupugofezewazefisofu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a47e975-847e-4191-93ce-72b1c4ab8867/programmable_logic_controller_salary.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C87 | 5624 bytes |
SHA-256: 714e906b4ca24236f97e69c3b7f8739b7aeeede8a271a7c1ffe3ae68b060d3eb |
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font_01_sfnt_off00011f76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F76 | 11028 bytes |
SHA-256: 7282513e722b59a6a4d85e38911ab04f2887e03ce0f77614bade9a790cecfba6 |
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